diff --git a/src/core.c b/src/core.c index cb6c7e41..cc292012 100644 --- a/src/core.c +++ b/src/core.c @@ -226,6 +226,7 @@ #define DEFAULT_KEYBOARD_DEV STDIN_FILENO // Standard input #define DEFAULT_GAMEPAD_DEV "/dev/input/js" // Gamepad input (base dev for all gamepads: js0, js1, ...) #define DEFAULT_EVDEV_PATH "/dev/input/" // Path to the linux input events + #define USE_LAST_TOUCH_DEVICE true // If true: When multiple touchscreens are connected then only use the one with the highest event number // New device input events (evdev) (must be detected) //#define DEFAULT_KEYBOARD_DEV "/dev/input/eventN" @@ -328,12 +329,11 @@ static int currentMouseWheelY = 0; // Registers current mouse wheel #endif #if defined(PLATFORM_RPI) -static int mouseStream = -1; // Mouse device file descriptor static char currentMouseStateEvdev[3] = { 0 }; // Holds the new mouse state for the next polling event to grab (Can't be written directly due to multithreading, app could miss the update) typedef struct { pthread_t threadId; // Event reading thread id int fd; // File descriptor to the device it is assigned to - float sensitivity; // Sensitivitzy multiplier for relative mouse movements + int eventNum; // Number of 'event' device Rectangle absRange; // Range of values for absolute pointing devices (touchscreens) int touchSlot; // Hold the touch slot number of the currently being sent multitouch block bool isMouse; // True if device supports relative X Y movements @@ -3944,6 +3944,16 @@ static void EventThreadSpawn(char* device) } Worker->fd = fd; + //Grab number on the end of the devices name "event" + int DevNum; + char* ptrDevName = strrchr(device, 't'); + Worker->eventNum = -1; + if(ptrDevName != NULL) + { + if(sscanf(ptrDevName, "t%d", &DevNum) == 1) + Worker->eventNum = DevNum; + } + // At this point we have a connection to the device, // but we don't yet know what the device is (Could be // many things, even as simple as a power button) @@ -4048,6 +4058,7 @@ static void EventThreadSpawn(char* device) Worker->isGamepad ? "gamepad " : "", Worker->isKeyboard ? "keyboard " : "" ); + // Create a thread for this device int error = pthread_create(&Worker->threadId, NULL, &EventThread, (void*)Worker); if(error != 0) @@ -4056,6 +4067,31 @@ static void EventThreadSpawn(char* device) Worker->threadId = 0; close(fd); } + + // Kill off duplicate touchscreens if needed + if(USE_LAST_TOUCH_DEVICE) + { + // Find touchscreen with the highest index + int MaxTouchNumber = -1; + for (int i = 0; i < sizeof(eventWorkers)/sizeof(InputEventWorker); ++i) + { + if(eventWorkers[i].isTouch && (eventWorkers[i].eventNum > MaxTouchNumber)) + MaxTouchNumber = eventWorkers[i].eventNum; + } + // Find toucnscreens with lower indexes + for (int i = 0; i < sizeof(eventWorkers)/sizeof(InputEventWorker); ++i) + { + if(eventWorkers[i].isTouch && (eventWorkers[i].eventNum < MaxTouchNumber)) + { + if(eventWorkers[i].threadId != 0) + { + TraceLog(LOG_WARNING, "Duplicate touchscreen found, killing toucnscreen on event%d", i); + pthread_cancel(eventWorkers[i].threadId); + close(eventWorkers[i].fd); + } + } + } + } } else { @@ -4207,6 +4243,7 @@ static void *EventThread(void *arg) usleep(5000); //Sleep for 5ms to avoid hogging CPU time } } + close(Worker->fd); return NULL; }